Add collectd support

Change-Id: Ibf0b4628dadc535fe6a29f6d56dad079e93d18f7
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index ddcb93e..a1e8cab 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -2,7 +2,7 @@
   glance:
     _support:
       collectd:
-        enabled: false
+        enabled: true
       heka:
         enabled: true
       sensu:
@@ -10,4 +10,4 @@
       sphinx:
         enabled: true
       config:
-        enabled: true
\ No newline at end of file
+        enabled: true